TOWNSHIP ROAD 30
Carrying TOWNSHIP ROAD 30 over GRASS RUN
.2 MI E OF JCT OF TWP 55, Hardin, Ohio
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TOWNSHIP ROAD 30 in Hardin, Ohio sits above 90% of rated Ohio bridges on inventory load rating (55 t), while its 1976 build year is earlier than 57% of Hardin's recorded-year cohort (276 bridges).
TOWNSHIP ROAD 30 in Hardin, Ohio is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1976, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure OH:3348709
INTERSTATE-ERA · STEEL · SINGLE-SPAN · DECK-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: TOWNSHIP ROAD 30
The TOWNSHIP ROAD 30 bridge in Hardin, Ohio carries TOWNSHIP ROAD 30 over GRASS RUN. It was built in 1976, making it 50 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 324 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How TOWNSHIP ROAD 30 compares
Age against the county: built in 1976, earlier than 157 of Hardin's 276 bridges with a recorded construction year (57%), against a county median build year of 1983. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Ohio bridges with a recorded inventory load rating (26,729 rated).
TOWNSHIP ROAD 30 vs every rated Ohio bridge
Inventory load rating (metric tons), FHWA NBI, this state
55 Top 10% higher than 90% of 26,729 bridges
rated Ohio bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Hardin inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 276 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1976
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 10.7 m (35 ft)
- Deck Width
- 7.1 m (23 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 324 vehicles/day
- Structure Number
- 3348709
Condition Analysis
- • The deck (driving surface) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
TOWNSHIP ROAD 30 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare TOWNSHIP ROAD 30 against other structures in Hardin and across Ohio. Ohio bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for TOWNSHIP ROAD 30?
TOWNSHIP ROAD 30 in Hardin, Ohio has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is TOWNSHIP ROAD 30 inspected?
TOWNSHIP ROAD 30's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 324 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TOWNSHIP ROAD 30 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for TOWNSHIP ROAD 30?
TOWNSHIP ROAD 30 has an NBI inventory load rating of 55.1 metric tons.
Who is responsible for maintaining TOWNSHIP ROAD 30?
TOWNSHIP ROAD 30 is owned and maintained by County Highway Agency.
How old is TOWNSHIP ROAD 30 and does age affect safety?
TOWNSHIP ROAD 30 was built in 1976, making it 50 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.